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Decimal expansion of arclength between (0,0) and (Pi/6,1) on y = tan x.
1

%I #5 Jun 15 2020 13:38:47

%S 7,8,0,1,3,1,4,2,8,2,8,0,8,4,9,3,3,3,5,5,9,9,8,1,8,7,2,2,1,7,7,3,3,0,

%T 6,3,6,8,7,5,2,2,6,5,8,8,3,5,5,4,3,4,3,8,4,0,6,7,2,2,8,3,4,5,9,9,5,8,

%U 0,2,7,7,0,0,1,1,0,1,1,2,7,8,2,5,2,2

%N Decimal expansion of arclength between (0,0) and (Pi/6,1) on y = tan x.

%e arclength = 0.780131428280849333559981872217733063687522...

%t s = Integrate[Sqrt[1 + D[Tan[x], x]^2], {x, 0, Pi/6}]

%t r = N[s, 200]

%t RealDigits[r][[1]]

%Y Cf. A333202, A332633, A334843

%K nonn,cons,easy

%O 0,1

%A _Clark Kimberling_, Jun 15 2020

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